1 | // RUN: %clang_cc1 -std=c++11 -triple x86_64-linux-gnu -emit-llvm %s -o - | FileCheck %s --check-prefix=LINUX |
2 | // RUN: %clang_cc1 -std=c++11 -triple x86_64-windows-pc -emit-llvm %s -o - | FileCheck %s --check-prefix=WINDOWS |
3 | void temp(); |
4 | void temp(int); |
5 | using FP = void(*)(int); |
6 | void b() { |
7 | FP f = temp; |
8 | } |
9 | |
10 | int __attribute__((target("sse4.2"))) foo(int) { return 0; } |
11 | int __attribute__((target("arch=sandybridge"))) foo(int); |
12 | int __attribute__((target("arch=ivybridge"))) foo(int) {return 1;} |
13 | int __attribute__((target("default"))) foo(int) { return 2; } |
14 | |
15 | struct S { |
16 | int __attribute__((target("sse4.2"))) foo(int) { return 0; } |
17 | int __attribute__((target("arch=sandybridge"))) foo(int); |
18 | int __attribute__((target("arch=ivybridge"))) foo(int) {return 1;} |
19 | int __attribute__((target("default"))) foo(int) { return 2; } |
20 | }; |
21 | |
22 | using FuncPtr = int (*)(int); |
23 | using MemFuncPtr = int (S::*)(int); |
24 | |
25 | void f(FuncPtr, MemFuncPtr); |
26 | |
27 | int bar() { |
28 | FuncPtr Free = &foo; |
29 | MemFuncPtr Member = &S::foo; |
30 | S s; |
31 | f(foo, &S::foo); |
32 | return Free(1) + (s.*Member)(2); |
33 | } |
34 | |
35 | // LINUX: @_Z3fooi.ifunc |
36 | // LINUX: @_ZN1S3fooEi.ifunc |
37 | |
38 | // LINUX: define i32 @_Z3barv() |
39 | // Store to Free of ifunc |
40 | // LINUX: store i32 (i32)* @_Z3fooi.ifunc |
41 | // Store to Member of ifunc |
42 | // LINUX: store { i64, i64 } { i64 ptrtoint (i32 (%struct.S*, i32)* @_ZN1S3fooEi.ifunc to i64), i64 0 }, { i64, i64 }* [[MEMBER:%[a-z]+]] |
43 | |
44 | // Call to 'f' with the ifunc |
45 | // LINUX: call void @_Z1fPFiiEM1SFiiE(i32 (i32)* @_Z3fooi.ifunc |
46 | |
47 | // WINDOWS: define dso_local i32 @"?bar@@YAHXZ"() |
48 | // Store to Free |
49 | // WINDOWS: store i32 (i32)* @"?foo@@YAHH@Z.resolver", i32 (i32)** |
50 | // Store to Member |
51 | // WINDOWS: store i8* bitcast (i32 (%struct.S*, i32)* @"?foo@S@@QEAAHH@Z.resolver" to i8*), i8** |
52 | |
53 | // Call to 'f' |
54 | // WINDOWS: call void @"?f@@YAXP6AHH@ZP8S@@EAAHH@Z@Z"(i32 (i32)* @"?foo@@YAHH@Z.resolver", i8* bitcast (i32 (%struct.S*, i32)* @"?foo@S@@QEAAHH@Z.resolver" to i8*)) |
55 | |